Home / 127,650.88-176,158.14-71,075.62

Finding the Fourth Proportional to 127,650.88, 176,158.14 and 71,075.62

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Solution

The fourth proportional to 127,650.88, 176,158.14 and 71,075.62 is: 98,084.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,650.88 : 176,158.14 = 71,075.62 : x
  2. Step 2: Convert to fraction form
    127,650.88/176,158.14 = 71,075.62/x
  3. Step 3: Cross multiply
    127,650.88x = 176,158.14 × 71,075.62
  4. Step 4: Simplify right side
    127,650.88x = 12,520,549,018.55
  5. Step 5: Solve for x
    x = 12,520,549,018.55/127,650.88
  6. Step 6: Final answer
    x = 98,084.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.